What Do the Ten Top Grossing iPhone Games of 2012 Have in Common? They’re All Free.

Kotaku - For every overpriced Final Fantasy re-release on iTunes there are dozens of free-to-play social games, refugees from a slowly fading Facebook love affair with microtransaction-driven casual titles finding new sources of revenue in the fertile mobile market. In this year's list of the top grossing iOS games and apps (available within iTunes), the free-to-play game is king.
(iPhone)